620W2-18R Super Bright Solar LED Light: 20 bigger LED lights are brighter than other similar lights in the market. Solar Powered&Waterproof: Clean and economical solar powered motion sensor light. Solar energy during the daytime, turns on automatically at sunset.Two layers of tightly-sealed inner loop allows it to be waterproof, or even weatherproof. Three Working Modes: Off/Dim/Bright. After opening, dim light at night. Switched to Bright light for about 30 seconds if PIR motion sensor is activated. Dim light automatically after 30 seconds. Detected within a 9-16 feet range. Easy To Install: No wiring required, simply screw it onto the surface. (Screws included) Great for porches, decks, driveways, pathway, and other dark areas. Customer Satisfaction Guaranteed: Product warranty period is one year. If you have any question, please login to your account, enter the order number, and click "ASK PRODUCT QUESTION" on the right to contact us,we promise to resolve all problems and mistakes for you immediately.